Benchmarking calculations with spectroscopic accuracy of excitation energies and wavelengths in sulfur-like tungsten
Zhang, Chun Yu and Wang, Kai and Godefroid, Michel and Jönsson, Per and Si, Ran and Chen, Chong Yang (2020) Benchmarking calculations with spectroscopic accuracy of excitation energies and wavelengths in sulfur-like tungsten. Physical Review A - Atomic, Molecular, and Optical Physics, 101. 032509. ISSN 2469-9926 (https://doi.org/10.1103/PhysRevA.101.032509)
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Abstract
Atomic properties of S-like W are evaluated through a state-of-the-art method, namely, the multiconfiguration Dirac-Hartree-Fock method combined with the relativistic configuration-interaction approach. The level energies, wavelengths, and transition parameters involving the 88 lowest levels of W58+ (W lix) are calculated. We discuss in detail the relative importance of the valence- and core-valence electron correlation effects, the Breit interaction, the higher-order retardation correction beyond the Breit interaction through the transverse photon interaction, and the quantum electrodynamical corrections. The present level energies are highly accurate, with uncertainties close to what can be achieved from spectroscopy. As such, they provide benchmark tests for other theoretical calculations of S-like W and should assist the spectroscopists in their assignment and identification of observed lines in complex spectra.
ORCID iDs
Zhang, Chun Yu ORCID: https://orcid.org/0000-0003-1935-6907, Wang, Kai, Godefroid, Michel, Jönsson, Per, Si, Ran and Chen, Chong Yang;-
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Item type: Article ID code: 82793 Dates: DateEvent17 March 2020Published25 February 2020AcceptedSubjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 14 Oct 2022 14:44 Last modified: 11 Nov 2024 13:39 URI: https://strathprints.strath.ac.uk/id/eprint/82793